NR511 Midterm diff diagnosis
Exam Questions Answered Correctly
(Qs) 2026 update
The ability of a test to correctly identify those who do not have the disease
# of true negatives divided by total # of people who do not have the disease - CORRECT ANSWERS
specificity
ability of a test to correctly identify pt has disease
true positives divided by # of people who have disease - CORRECT ANSWERS sensitivity
pain, tingling, stabbing, unilateral vesicular rash along dermatome - CORRECT ANSWERS
herpes zoster
how is herpes zoster diagosed? - CORRECT ANSWERS history and physical, PCR assay
white macules or patches usually on sun exposed areas, premature graying of hair - CORRECT ANSWERS
vitiligo
what labs are done for vitiligo? - CORRECT ANSWERS cbc, peripheral smear (detect
pernicious anemia), thyroids, ANA
mask of pregnancy
hyperpigmentation of face during pregnancy - CORRECT ANSWERS cholasma (melasma)
how is cholasma diagnosed? - CORRECT ANSWERS wood's lamp examination
,diffuse, generazlied, hyperpigmentation, especially on skin creased d/t increased adrenocorticotropic
hormon - CORRECT ANSWERS addison's disease
what labs are done to detect addison's disease? - CORRECT ANSWERS NA, K, cortisol, ACTH
level, ca, CBC, TSH, B12, RH factor
what are the characteristics of malignant melanoma? - CORRECT ANSWERS asymmetrical,
irregular borders, color changes, diameter >6mm, evolving, raised
health teaching for those with pruritus - CORRECT ANSWERS short, tepid showers, no baths,
no scratching, cool compresses, emollients
what is "soak and smear" and what does it help with? - CORRECT ANSWERS soak skin for 20
mins and apply ointment to wet skin to prevent pruritus
What is urticaria?
First line treatment class and drugs?
Prevention/teaching? - CORRECT ANSWERS hives/wheals
2nd gen nonsedating H1 antihistamines- loratadine, fexofenadine
cool temps, no hot showers, avoid tight clothes
topical treatment for urticaria? - CORRECT ANSWERS pramoxine
1-2mm red papules interdigital web staples, wrists, axillary folds, and periumbilical? - CORRECT
ANSWERS scabies
what does an intraepidermal burrow from scabies look like? - CORRECT ANSWERS white
with black specks linear
, how is an intraepidermal burrow from scabies diagnosed? - CORRECT ANSWERS burrow ink
test- mark with ink, ink will go into tunnel
how is scabies diagnosed? - CORRECT ANSWERS place drop of mineral oil, scrape off with
blade, place on slide, look under microscope
treatment and teaching for scabies - CORRECT ANSWERS wash all clothes and bedding in hot
water and detergent
scabicide lotions
antihistamines and topical steroids for pruritus
example of scabicides lotion - CORRECT ANSWERS permethrin and malathion lotion
red, small, erythematous, macules or papules, pruritus worse at night, mostly scalp - CORRECT
ANSWERS pediculosis (lice)
how is pediculosis diagnosed? - CORRECT ANSWERS wood light exam, magnifying glass
Treatment of pediculosis
first line
second line - CORRECT ANSWERS Topical insecticides are effective such as permethrin,
pyrethrins, and malathion are considered first line
Lindaine and ivermectin are second line
petroleum jelly or other occlusive substances can be used to suffocate lice. Reapplication in 7-10 days
recommended to kill any newly hatched lice.
Exam Questions Answered Correctly
(Qs) 2026 update
The ability of a test to correctly identify those who do not have the disease
# of true negatives divided by total # of people who do not have the disease - CORRECT ANSWERS
specificity
ability of a test to correctly identify pt has disease
true positives divided by # of people who have disease - CORRECT ANSWERS sensitivity
pain, tingling, stabbing, unilateral vesicular rash along dermatome - CORRECT ANSWERS
herpes zoster
how is herpes zoster diagosed? - CORRECT ANSWERS history and physical, PCR assay
white macules or patches usually on sun exposed areas, premature graying of hair - CORRECT ANSWERS
vitiligo
what labs are done for vitiligo? - CORRECT ANSWERS cbc, peripheral smear (detect
pernicious anemia), thyroids, ANA
mask of pregnancy
hyperpigmentation of face during pregnancy - CORRECT ANSWERS cholasma (melasma)
how is cholasma diagnosed? - CORRECT ANSWERS wood's lamp examination
,diffuse, generazlied, hyperpigmentation, especially on skin creased d/t increased adrenocorticotropic
hormon - CORRECT ANSWERS addison's disease
what labs are done to detect addison's disease? - CORRECT ANSWERS NA, K, cortisol, ACTH
level, ca, CBC, TSH, B12, RH factor
what are the characteristics of malignant melanoma? - CORRECT ANSWERS asymmetrical,
irregular borders, color changes, diameter >6mm, evolving, raised
health teaching for those with pruritus - CORRECT ANSWERS short, tepid showers, no baths,
no scratching, cool compresses, emollients
what is "soak and smear" and what does it help with? - CORRECT ANSWERS soak skin for 20
mins and apply ointment to wet skin to prevent pruritus
What is urticaria?
First line treatment class and drugs?
Prevention/teaching? - CORRECT ANSWERS hives/wheals
2nd gen nonsedating H1 antihistamines- loratadine, fexofenadine
cool temps, no hot showers, avoid tight clothes
topical treatment for urticaria? - CORRECT ANSWERS pramoxine
1-2mm red papules interdigital web staples, wrists, axillary folds, and periumbilical? - CORRECT
ANSWERS scabies
what does an intraepidermal burrow from scabies look like? - CORRECT ANSWERS white
with black specks linear
, how is an intraepidermal burrow from scabies diagnosed? - CORRECT ANSWERS burrow ink
test- mark with ink, ink will go into tunnel
how is scabies diagnosed? - CORRECT ANSWERS place drop of mineral oil, scrape off with
blade, place on slide, look under microscope
treatment and teaching for scabies - CORRECT ANSWERS wash all clothes and bedding in hot
water and detergent
scabicide lotions
antihistamines and topical steroids for pruritus
example of scabicides lotion - CORRECT ANSWERS permethrin and malathion lotion
red, small, erythematous, macules or papules, pruritus worse at night, mostly scalp - CORRECT
ANSWERS pediculosis (lice)
how is pediculosis diagnosed? - CORRECT ANSWERS wood light exam, magnifying glass
Treatment of pediculosis
first line
second line - CORRECT ANSWERS Topical insecticides are effective such as permethrin,
pyrethrins, and malathion are considered first line
Lindaine and ivermectin are second line
petroleum jelly or other occlusive substances can be used to suffocate lice. Reapplication in 7-10 days
recommended to kill any newly hatched lice.
